          (if (< active-section-index (- (count diagram-structure) 1))
            [:a
             {:on-click #(raise! owner [:docker-diagram-index-selected (+ active-section-index 1)])}
-            " "
             [:img.diagram-arrow {:src (utils/cdn-path "/img/outer/docker/diagram-arrow-right.svg")}]])]]
        ])))
 

             {:on-click #(raise! owner [:docker-diagram-index-selected index])}
             [:img {:src (utils/cdn-path
                           (if (= index active-section-index)
                             (str "/img/outer/docker/diagram-" icon-name ".svg")
                             (str "/img/outer/docker/diagram-" icon-name "-grey.svg")))}]]
            (if (< index (- (count diagram-structure) 1))
              [:span.connector-line {:class (if (= index active-section-index) "active")}])
            (if (= index active-section-index)

         (if (> active-section-index 0)
           [:a
            {:on-click #(raise! owner [:docker-diagram-index-selected (- active-section-index 1)])}
            [:img.diagram-arrow {:src (utils/cdn-path "/img/outer/docker/diagram-arrow-left.svg")}]])]
        [:div.col-xs-6.text-justify
         [:h3
          (last (nth diagram-structure active-section-index))]]
